คำอธิบาย
Brand | ASROCK |
Model | B850I LIGHTNING WIFI (DDR5) |
CPU Support | – Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors*
* The availability of expansion slots may vary by CPU. Please refer to PCIe/M.2 Bandwidth Table for details. |
CPU Brand | AMD |
Socket | AM5 |
Chipset | AMD B850 |
Memory Support | – Dual Channel DDR5 Memory Technology – 2 x DDR5 DIMM Slots – Supports DDR5 ECC/non-ECC, un-buffered memory up to 8200+(OC)* – Max. capacity of system memory: 128GB* – Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules* *Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation. |
Maximum Memory Bus | 8200 |
Graphics | Integrated AMD RDNA™ graphics (Actual support may vary by CPU) – 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz – 1 x USB 3.2 Gen2 Type-C, supports DP 1.4 HBR3 and max. resolution up to 4K 60Hz (DP-alt mode supports DP1.4a) |
Multi Graphic Support | N/A |
Audio | – 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec) – Impedance Sensing on Rear Out port – Individual PCB Layers for R/L Audio Channel – Nahimic Audio |
Expansion Slots | CPU: – 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode* Chipset: *PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors. |
Maximum PCIe Version | PCIe 5.0 |
Storage | CPU: – 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode* Chipset: * M2_1 is the first priority for M.2 installation. RAID * Requires additional M.2 NVMe expansion cards to support RAID 10 |
M.2 Storage Type Support | NVMe |
M.2 Slot | 2 |
USB | CPU: – 1 x USB 3.2 Gen2 Type-C (Rear) – 2 x USB 3.2 Gen2 Type-A (Rear) Chipset: – 1 x USB 3.2 Gen1 Type-C (Front) – 3 x USB 3.2 Gen1 Type-A (1 Rear, 2 Front) – 6 x USB 2.0 (4 Rear, 2 Front) * All USB ports support ESD Protection |
Internal I/O Connectors | – 1 x Thermistor Cable Header – 2 x Addressable LED Headers* – 1 x CPU Fan Connector (4-pin) (Smart Fan Speed Control)** – 1 x Chassis Fan Connector (4-pin) (Smart Fan Speed Control)** – 1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)** – 1 x 24 pin ATX Power Connector – 1 x 8 pin 12V Power Connector (Hi-Density Power Connector) – 1 x Front Panel Audio Connector – 1 x USB 2.0 Header (Supports 2 USB 2.0 ports) – 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) – 1 x Front Panel Type C USB 3.2 Gen1 Header * Support in total up to 5V/3A, 15W LED Strip |
Back Panel Connectors | – 2 x Antenna Ports – 1 x HDMI Port – 1 x Optical SPDIF Out Port – 2 x USB 3.2 Gen2 Type-A Ports (10 Gb/s)* – 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (DP-alt mode supports DP1.4a.)** – 1 x USB 3.2 Gen1 Port* – 4 x USB 2.0 Ports – 1 x RJ-45 LAN Port – 1 x BIOS Flashback Button – 1 x Line Out Jack (Gold Audio Jack) – 1 x Microphone Input Jack (Gold Audio Jack) * USB32_23 are Lightning Gaming Ports. ** USB32_TC1 supports a maximum speed of 40 Gb/s with selected processors. DP-alt mode supports DP1.4a. |
LAN | – 2.5 Gigabit LAN 10/100/1000/2500 Mb/s – Killer E3100G – Supports Killer LAN Software |
Wireless Data Network | – 802.11axe Wi-Fi 6E Module – Supports IEEE 802.11a/b/g/n/ac/ax/axe – Supports Dual-Band 2×2 with extended 6GHz band* support – 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology – Supports Bluetooth 5.2 – Supports MU-MIMO *The Wi-Fi 6E module is supported by Microsoft Windows® 11 only. There is no driver available for Windows® 10. The availability of the 6GHz band will depend on the different regulation status of each country and region. It will be activated (for supported countries) through Windows® Update and software updates once available. |
Form Factor | Mini ITX |
H/W Monitoring | N/A |
BIOS | 256Mb AMI UEFI Legal BIOS with GUI support |
Special Features | Superb Productivity – PCIe Gen5 (Graphics, M.2) – Dual Channel DDR5 Rock-Solid Durability Ultrafast Gaming EZ Update |
Software Features | Software – ASRock Motherboard Utility (Phantom Gaming Tuning) – Killer Control Center – ASRock Polychrome SYNC* UEFI *These utilities can be downloaded from ASRock Live Update & APP Shop. |
Operating System Support | Microsoft Windows® 10 64-bit / 11 64-bit |
Package Contents | – 2 x SATA Data Cables – 2 x ASRock WiFi 2.4/5/6 GHz Antennas – 2 x Screws for M.2 Sockets – 1 x Thermistor Cable |